{"id":"CVE-2024-50262","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix out-of-bounds write in trie_get_next_key()\n\ntrie_get_next_key() allocates a node stack with size trie->max_prefixlen,\nwhile it writes (trie->max_prefixlen + 1)…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix out-of-bounds write in trie_get_next_key()\n\ntrie_get_next_key() allocates a node stack with size trie->max_prefixlen,\nwhile it writes (trie->max_prefixlen + 1)…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.16, < 4.19.323","linux_kernel >= 4.20, < 5.4.285","linux_kernel >= 5.5, < 5.10.229","linux_kernel >= 5.11, < 5.15.171","linux_kernel >= 5.16, < 6.1.116","linux_kernel >= 6.2, < 6.6.60","linux_kernel >= 6.7, < 6.11.7","linux_kernel = 6.12"],"patched":["linux_kernel 6.11.7"],"published":"2024-11-09","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:11.013","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-50262","references":[{"url":"https://git.kernel.org/stable/c/13400ac8fb80c57c2bfb12ebd35ee121ce9b4d21","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/590976f921723d53ac199c01d5b7b73a94875e68","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/86c8ebe02d8806dd8878d0063e8e185622ab6ea6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/90a6e0e1e151ef7a9282e78f54c3091de2dcc99c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/91afbc0eb3c90258ae378ae3c6ead3d2371e926d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a035df0b98df424559fd383e8e1a268f422ea2ba","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c4b4f9a9ab82238cb158fa4fe61a8c0ae21a4980","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e8494ac079814a53fbc2258d2743e720907488ed","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.0027,"epssPercentile":0.19028,"ingestedAt":"2026-10-15T03:30:12.767Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2024-12-11T15:09:18.664200Z"},"slug":"CVE-2024-50262","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix out-of-bounds write in trie_get_next_key()\n\ntrie_get_next_key() allocates a node stack with size trie->max_prefixlen,\nwhile it writes (trie->max_prefixlen + 1) nodes to the stack when it has\nfull paths from the root to leaves. For example, consider a trie with\nmax_prefixlen is 8, and the nodes with key 0x00/0, 0x00/1, 0x00/2, ...\n0x00/8 inserted. Subsequent calls to trie_get_next_key with _key with\n.prefixlen = 8 make 9 nodes be written on the node stack with size 8.\n\n## Affected\n\n- `linux_kernel >= 4.16, < 4.19.323`\n- `linux_kernel >= 4.20, < 5.4.285`\n- `linux_kernel >= 5.5, < 5.10.229`\n- `linux_kernel >= 5.11, < 5.15.171`\n- `linux_kernel >= 5.16, < 6.1.116`\n- `linux_kernel >= 6.2, < 6.6.60`\n- `linux_kernel >= 6.7, < 6.11.7`\n- `linux_kernel = 6.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.7`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}